Home / 90,235.69-124,523.75-49,948.59

Finding the Fourth Proportional to 90,235.69, 124,523.75 and 49,948.59

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Solution

The fourth proportional to 90,235.69, 124,523.75 and 49,948.59 is: 68,928.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,235.69 : 124,523.75 = 49,948.59 : x
  2. Step 2: Convert to fraction form
    90,235.69/124,523.75 = 49,948.59/x
  3. Step 3: Cross multiply
    90,235.69x = 124,523.75 × 49,948.59
  4. Step 4: Simplify right side
    90,235.69x = 6,219,785,734.01
  5. Step 5: Solve for x
    x = 6,219,785,734.01/90,235.69
  6. Step 6: Final answer
    x = 68,928.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.